Constant temperature liquid circulator



FIG. 1 is a front, top, and left side perspective view of a constant temperature liquid circulator showing the new design;

FIG. 2 is a rear, bottom, and right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view thereof; and,

FIG. 8 is a right side elevational view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the constant temperature liquid circulator that form no part of the claimed design. 

CLAIM The ornamental design for a constant temperature liquid circulator, as shown and described. 